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1、萬(wàn)方數(shù)據(jù)農(nóng)業(yè)環(huán)境科學(xué)學(xué)報(bào)2008，27(1)：0207—02llJoumalofAgr0一EnVironmentScience粉煤灰堆放場(chǎng)土壤環(huán)境微量元素分析與風(fēng)險(xiǎn)評(píng)價(jià)劉培陶·，崔龍鵬t，沈衛(wèi)星，，白建峰z(1安徽理工大學(xué)資源與環(huán)境工程系，安徽淮南232001；2中國(guó)科學(xué)院南京土壤研究所，江蘇南京210008)摘要：本文以淮南平圩電廠粉煤灰處置場(chǎng)(高皇貯灰場(chǎng))為例，系統(tǒng)采集老灰場(chǎng)覆蓋層土壤、新灰場(chǎng)表層土壤和灰場(chǎng)外表層土壤樣品，調(diào)查粉煤灰堆置對(duì)周圍土壤中有害微量元素污染貢獻(xiàn)。土壤樣品選用適宜的消化方法進(jìn)行預(yù)處理，采用現(xiàn)代分析技術(shù)ICP—AEs和HG-AFS測(cè)定了樣品中熏要環(huán)境意義
2、微量元素(As、cd、cr、Hg、Pb、se、Mo、Ni、cu、zn)，進(jìn)而對(duì)微量元素進(jìn)行了環(huán)境污染評(píng)價(jià)。評(píng)價(jià)結(jié)果表明，土壤元素含量均沒有超過國(guó)家土壤一級(jí)質(zhì)量標(biāo)準(zhǔn)，但粉煤灰長(zhǎng)期堆置導(dǎo)致土壤中有害元素積累，粉煤灰中部分元素(如se，Pb，Mo等)的環(huán)境生態(tài)風(fēng)險(xiǎn)尚需進(jìn)一步調(diào)查研究。關(guān)鍵詞：粉煤灰；微量元素：土壤；污染評(píng)價(jià)中圖分類號(hào)：x820．4文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1672—2043(2008)01-0207一05DetemlinationofEnV沛硼蛐tal’T礴ceEl哪鋤tsinSoilssur陽(yáng)衄mngCoal岡yAshLand銣Pond柚dR斌Assessmentuu
3、Pei—ta01，cuIbng—Pen“sHENwei—xin一，BAIJiaIl—fen薩(1．AnHuiUniverstiyofSciellceandTechnology，AnHuiHuaiN齟232001；2．ChineseAcademyofSciencer7ssoilgmduateschool，Ji鋤舒uNanJing210008)Abstract：AcasestudyofPin舒憂icoalnyashIandfiⅡpond(e．g．Gaohuang1andfiupond)wasconductedtoinvestigatethecontaminationof的ceele
4、mentsinsoiIssun_oundedtheiand壬illpond，throughsy8tematicsoilss鋤plingf而mthreesectionsincludingsoilscoveringoldlandf．Ⅱpond，soilscoveringnewlandfinpond，aIldsoilsoutsideponddamacco耐ingtoenvironmentalqualitystalldardforsoils．Traceelements(As，Cd，Cr，Hg，Pb，Se，Mo，Ni，CuaIldzn)insoilsweredete珊inedbyusin
5、gICP—AESandHG—AFSassociatedwithappropriatedigestingmethod(AsiSeandHgw凼digestedbyaquaf孤is，meo出erelementsweredigestedbyHN03+HF+HCl04)．Bothofthetotalcontentponu—tionandthespecialpollutionof出eseelementsinsoilswereeValuated．Theresuhsindicatedtllatconcenm撕onsofelementswerelowerthaIlone—levelnation
6、alqualitystandardofsoils，naceelements7e11richmentfactorandintegrationPollutionindexwerebothlowerthantllecriticalvalueofpoⅡution，so出esoilssu冊(cè)u(píng)ndedthecoaIflyash1an皿UpondwerenotendaIlgeredbythehaH旆ltraceelementsforaWhile．Butsincesignificantaccumlllationofhamlful打aceelementsinsoilswasaresuh0flon
7、g—te珊mobilityf南mcoalnyash，theecolo西calriskofsomeelementswhichhavestrongermobility(includingSe，Pb，Mo，etc．)incoalflyashneedstobefhrtherassessedinthefuture．Kq‘words：coalnyash；traceelements；soil；poUutionevaluation礦業(yè)開發(fā)利用導(dǎo)致礦區(qū)環(huán)境污染與生態(tài)破壞。近年來(lái)，土壤金屬元素污染受到人們廣泛關(guān)
